Vulnerability · Published Aug 12, 2026 · Assigned by ProgressSoftware
CVE-2026-65939WhatsUp Gold versions prior to 26.0.2 contain an arbitrary file write vulnerability in the LogToFile action handler.
Medium 6.8
In plain English
A medium-severity unrestricted file upload in WhatsUp Gold from Progress Software Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.4%top 67.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In WhatsUp Gold versions released before 2026.0.2, a privileged attacker can create a LogToFile action specifying an arbitrary file extension within the IIS web root.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software Corporation | WhatsUp Gold | 0 – before 26.0.2 |
Weakness: CWE-434, CWE-73, CWE-22 · Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H